Learn More about Anemometer AM706 The Marine Anemometer AM706 is a combined instrument for wind speed and direction. It can measure relative wind speed (accuracy ±5%, min 0.1m/s), relative wind direction (digital display accuracy 1 °, analog display accuracy 10 ° and output accuracy ± 1 °). GYRO(HDT), SPEEDLOG(VBW) or GPS (RMC/VT